Question

помогите пж вопрос на полтос

Answer 1

Ex.9. 
4.Thomas has entered the stadium when the football match has already started.
6.She has just gone to sleep when her brother came round to see her.
7.The Burglar has left with the painting before police have arrived
8.The mechanic has already fixed the car when the customer has returned ...
3.не вижу 
5.I haven't started reading my book until I have done all washing-up.